Southwest Gas Corporation Files Form 10-K

LAS VEGAS, March 3 /PRNewswire-FirstCall/ -- On February 29, 2008, Southwest Gas Corporation (NYSE:SWX) filed its annual report on Form 10-K, including audited financial statements, with the Securities and Exchange Commission. The annual report on Form 10-K is available on the company's Web site, http://www.swgas.com/investorrelations, and shareholders can receive a paper copy of the company's complete audited financial statements free of charge by contacting the company at Shareholder Services, P. O. Box 98511, Las Vegas, NV 89193-8511, by phone at (800) 331-1119 or (702) 876-7280, or by e-mail at srs@swgas.com.

This press release may contain statements which constitute "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995 (Reform Act). All such forward-looking statements are intended to be subject to the safe harbor protection provided by the Reform Act. A number of important factors affecting the business and financial results of the Company could cause actual results to differ materially from those stated in the forward-looking statements. These factors include, but are not limited to, the impact of weather variations on customer usage, customer growth rates, the effects of regulation/deregulation, the timing and amount of rate relief, and changes in rate design.

First Call Analyst:
FCMN Contact: Cheryl.Wurst@swgas.com

Source: Southwest Gas Corporation

CONTACT: Media, Cynthia Messina, +1-702-876-7132, or Shareholders, Ken
Kenny, +1-702-876-7237, both of Southwest Gas Corporation

Web site: http://www.swgas.com/

2008-03-03 19:31:58 0303494 PRNEWSWIRE